gcc/libstdc++-v3/testsuite/decimal/mixed-mode-arith_neg.cc
2021-01-04 10:26:59 +01:00

139 lines
3.9 KiB
C++

// Copyright (C) 2009-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-do compile }
// { dg-require-effective-target dfp }
// Test that binary arithmetic operators do not accept mixed decimal
// and generic floating-point operands. This isn't explicity
// prohibited in ISO/IEC TR 24733 but it is prohibited in C, and in C++
// there should not be an implicit conversion from a decimal
// floating-point type to a generic floating-point type.
#include <decimal/decimal>
using namespace std::decimal;
decimal32 a32, b32, c32;
decimal64 a64, b64, c64;
decimal128 a128, b128, c128;
float f;
double d;
long double ld;
bool b1, b2, b3, b4, b5, b6;
void
bad_add (void)
{
a32 = b32 + f; // { dg-error "error" }
a32 = ld + b32; // { dg-error "error" }
a64 = b64 + d; // { dg-error "error" }
a64 = ld + b64; // { dg-error "error" }
a128 = b128 + ld; // { dg-error "error" }
a128 = d + b128; // { dg-error "error" }
}
void
bad_subtract (void)
{
a32 = b32 - f; // { dg-error "error" }
a32 = ld - b32; // { dg-error "error" }
a64 = b64 - d; // { dg-error "error" }
a64 = ld - b64; // { dg-error "error" }
a128 = b128 - ld; // { dg-error "error" }
a128 = d - b128; // { dg-error "error" }
}
void
bad_multiply (void)
{
a32 = b32 * f; // { dg-error "error" }
a32 = ld * b32; // { dg-error "error" }
a64 = b64 * d; // { dg-error "error" }
a64 = ld * b64; // { dg-error "error" }
a128 = b128 * ld; // { dg-error "error" }
a128 = d * b128; // { dg-error "error" }
}
void
bad_divide (void)
{
a32 = b32 / f; // { dg-error "error" }
a32 = ld / b32; // { dg-error "error" }
a64 = b64 / d; // { dg-error "error" }
a64 = ld / b64; // { dg-error "error" }
a128 = b128 / ld; // { dg-error "error" }
a128 = d / b128; // { dg-error "error" }
}
void
bad_pluseq (void)
{
a32 += f; // { dg-error "error" }
a32 += d; // { dg-error "error" }
a32 += ld; // { dg-error "error" }
a64 += f; // { dg-error "error" }
a64 += d; // { dg-error "error" }
a64 += ld; // { dg-error "error" }
a128 += f; // { dg-error "error" }
a128 += d; // { dg-error "error" }
a128 += ld; // { dg-error "error" }
}
void
bad_minuseq (void)
{
a32 -= f; // { dg-error "error" }
a32 -= d; // { dg-error "error" }
a32 -= ld; // { dg-error "error" }
a64 -= f; // { dg-error "error" }
a64 -= d; // { dg-error "error" }
a64 -= ld; // { dg-error "error" }
a128 -= f; // { dg-error "error" }
a128 -= d; // { dg-error "error" }
a128 -= ld; // { dg-error "error" }
}
void
bad_timeseq (void)
{
a32 *= f; // { dg-error "error" }
a32 *= d; // { dg-error "error" }
a32 *= ld; // { dg-error "error" }
a64 *= f; // { dg-error "error" }
a64 *= d; // { dg-error "error" }
a64 *= ld; // { dg-error "error" }
a128 *= f; // { dg-error "error" }
a128 *= d; // { dg-error "error" }
a128 *= ld; // { dg-error "error" }
}
void
bad_divideeq (void)
{
a32 /= f; // { dg-error "error" }
a32 /= d; // { dg-error "error" }
a32 /= ld; // { dg-error "error" }
a64 /= f; // { dg-error "error" }
a64 /= d; // { dg-error "error" }
a64 /= ld; // { dg-error "error" }
a128 /= f; // { dg-error "error" }
a128 /= d; // { dg-error "error" }
a128 /= ld; // { dg-error "error" }
}